OF SOUTH AUSTRALIA. 
351 
and plumulate as the branches; the rest are 4 mm. to 6 mm. long and 
incurved. Circling the branch at each node are three or four small and 
irregularly divided ramuli. The alternating plumules have a filiform rachis 
of cylindrical cells three to four times longer than broad and closely 
whorled with tristichous pinnae. Articulations of the ultimate ramuli as 
long as broad; apices blunt. Colour deep red. Substance firm and rigid. 
Does not adhere well to paper. 
South Australia (Eastern Bays), Victoria (Warrnambool, Port Fairy). 
Ballia scoparia Harvey. 
Frond widely branched, caespitose, 15 cm. to 50 cm. long; ramuli and 
raihelli irregularly fasciculate; secondary ramelli much thinner, hirsute, 
subsecund below the apices, spinous, finally fertile, bearing fruit on the 
lower part or above the axils. Tetrasporangia subsecund, grouped. Colour 
brownish-purple ; substance rigid. 
South Coast of Australia, Tasmania, New Zealand, Pacific Ocean. 
Fig. 175 . — Ballia scnparia: n. plant: b, a DenuU ; »uate 
branch; c, section of the stem, with its 
stupose fibres; d, one of the fibres; e, 
ramuli, with an involucre; f, apex of a 
ramulus; g, some of the involucral fila- 
ments. (After Harvey.) 
